package com.kuang.dao;

import com.kuang.pojo.Department;
import com.kuang.pojo.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

/**
 * @Auther: dlh
 * @Date: 2020/12/14
 * @ClassName: EmployeeDao
 * @Describle: 技术在灵魂面前必输
 * @Version:1.0
 **/
@Repository
public class EmployeeDao {
    private static Map<Integer, Employee> employees = null;

    private DepartmentDao departmentDao;

    static {
        employees = new HashMap<Integer, Employee>();
        employees.put(1001, new Employee(1001, "AA", "285317376@qq.com", 1, new Department(101, "教学部")));
        employees.put(1002, new Employee(1002, "BB", "285317376@qq.com", 0, new Department(102, "市场部")));
        employees.put(1003, new Employee(1003, "CC", "285317376@qq.com", 1, new Department(103, "教研部")));
        employees.put(1004, new Employee(1004, "DD", "285317376@qq.com", 0, new Department(104, "运营部")));
        employees.put(1005, new Employee(1005, "EE", "285317376@qq.com", 1, new Department(105, "后勤部")));
    }

    //主键自增
    private static Integer initId = 1006;

    //增加一个员工
    public void save(Employee employee) {
        if (employee.getId() == null) {
            employee.setId(initId++);
        }
        employee.setDepartment(departmentDao.getDepartmentById(employee.getDepartment().getId()));
        employees.put(employee.getId(), employee);
    }

    //查询所有员工
    public Collection<Employee> getAll() {
        return employees.values();
    }

    //通过id查询员工
    public Employee getEmployeeById(Integer id) {
        return employees.get(id);
    }

    //删除员工通过id
    public void delete(Integer id) {
        employees.remove(id);
    }
}
